aFe Magnum FORCE Performance Acc. Coupling Kit 2-3/4 in ID x 2-1/2in L Straight W/ 3/8in Port Hole fits_2017-2021`Mercedes-Benz`E-Class 5" diameter BORLA Cat-Back system

5" diameter BORLA Cat-Back system features an internal H-Pipe inside the front muffler and BORLA's patented Polyphonic Harmonizer technology for increased performance and improved sound

Low 9006 Not Included

don't worry

Installation REQUIRES cutting the mid section of the stock exhaust behind the catalytic converters and welding the inlet pipes in 60738 to rear of catalytic converters

aFe Magnum FORCE Performance Acc. Coupling Kit 2-3/4 in ID x 2-1/2in L Straight W/ 3/8in Port Hole fits_2017-2021`Mercedes-Benz`E-Class 5" diameter BORLA Cat-Back systemaFe Magnum FORCE Performance Acc. Coupling Kit 2 3 4 in ID x 2 1 2in L Straight W 3 8in Port Hole Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of choice for a high performance aftermarket air filter. We are a team of engineers, machinists, production